... transmitting the electric energy, especially used in following fields like paper makingMetallurgy, chemical engineering, petrol, power generation, metallic processing, mining, railway ... , 3, 4, 5, 3 + 1, 3 + 2 and 4 + 1Nominal cross section: 1.5, 2.5, 4, 6, 10, 16, 25, 35 ...